WHAT first drew me to physics were the words. Cosmos. Entanglement. Spiralling galaxies and stars gone supernova, dark matter and charmed quarks. Physics brims with linguistic magic. And once you peer beneath the words, you find ideas can possess a poetry more poignant than any turn of phrase. String theory may turn out to be wrong. It might not be testable and it might not describe the real world. But it does describe a world that’s undeniably poetic.

“Cosmos, supernovae. Physics brims with linguistic magic”

Still, I’ll admit, when I picked up Riffing on Strings I was sceptical. Sure, …